ID W0IX95_9BACT Unreviewed; 251 AA.
AC W0IX95;
DT 19-MAR-2014, integrated into UniProtKB/TrEMBL.
DT 19-MAR-2014, sequence version 1.
DT 24-JAN-2024, entry version 33.
DE SubName: Full=Exodeoxyribonuclease III {ECO:0000313|EMBL:AHF90785.1};
GN ORFNames=OPIT5_11785 {ECO:0000313|EMBL:AHF90785.1};
OS Opitutaceae bacterium TAV5.
OC Bacteria; Verrucomicrobiota; Opitutae; Opitutales; Opitutaceae.
OX NCBI_TaxID=794903 {ECO:0000313|EMBL:AHF90785.1, ECO:0000313|Proteomes:UP000003813};
RN [1] {ECO:0000313|EMBL:AHF90785.1, ECO:0000313|Proteomes:UP000003813}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TAV5 {ECO:0000313|EMBL:AHF90785.1};
RX PubMed=25744998;
RA Kotak M., Isanapong J., Goodwin L., Bruce D., Chen A., Han C.S.,
RA Huntemann M., Ivanova N., Land M.L., Nolan M., Pati A., Woyke T.,
RA Rodrigues J.L.;
RT "Complete Genome Sequence of the Opitutaceae Bacterium Strain TAV5, a
RT Potential Facultative Methylotroph of the Wood-Feeding Termite
RT Reticulitermes flavipes.";
RL Genome Announc. 3:0-0(2015).
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRSR:PIRSR604808-2};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|PIRSR:PIRSR604808-2};
CC Note=Probably binds two magnesium or manganese ions per subunit.
CC {ECO:0000256|PIRSR:PIRSR604808-2};
CC -!- SIMILARITY: Belongs to the DNA repair enzymes AP/ExoA family.
CC {ECO:0000256|ARBA:ARBA00007092}.
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DR EMBL; CP007053; AHF90785.1; -; Genomic_DNA.
DR AlphaFoldDB; W0IX95; -.
DR STRING; 794903.OPIT5_11785; -.
DR KEGG; obt:OPIT5_11785; -.
DR eggNOG; COG0708; Bacteria.
DR HOGENOM; CLU_027539_1_3_0; -.
DR OrthoDB; 9803914at2; -.
DR Proteomes; UP000003813; Chromosome.
DR GO; GO:0003677; F:DNA binding; IEA:InterPro.
DR GO; GO:0008311; F:double-stranded DNA 3'-5' DNA exonuclease activity; IEA:UniProtKB-EC.
DR GO; GO:0004519; F:endonuclease activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006281; P:DNA repair; IEA:InterPro.
DR CDD; cd09087; Ape1-like_AP-endo; 1.
DR Gene3D; 3.60.10.10; Endonuclease/exonuclease/phosphatase; 1.
DR InterPro; IPR004808; AP_endonuc_1.
DR InterPro; IPR020847; AP_endonuclease_F1_BS.
DR InterPro; IPR020848; AP_endonuclease_F1_CS.
DR InterPro; IPR036691; Endo/exonu/phosph_ase_sf.
DR InterPro; IPR005135; Endo/exonuclease/phosphatase.
DR NCBIfam; TIGR00195; exoDNase_III; 1.
DR NCBIfam; TIGR00633; xth; 1.
DR PANTHER; PTHR22748; AP ENDONUCLEASE; 1.
DR PANTHER; PTHR22748:SF6; DNA-(APURINIC OR APYRIMIDINIC SITE) ENDONUCLEASE; 1.
DR Pfam; PF03372; Exo_endo_phos; 1.
DR SUPFAM; SSF56219; DNase I-like; 1.
DR PROSITE; PS00726; AP_NUCLEASE_F1_1; 1.
DR PROSITE; PS00728; AP_NUCLEASE_F1_3; 1.
DR PROSITE; PS51435; AP_NUCLEASE_F1_4; 1.
PE 3: Inferred from homology;
KW Magnesium {ECO:0000256|PIRSR:PIRSR604808-2};
KW Manganese {ECO:0000256|PIRSR:PIRSR604808-2};
KW Metal-binding {ECO:0000256|PIRSR:PIRSR604808-2};
KW Reference proteome {ECO:0000313|Proteomes:UP000003813}.
FT DOMAIN 4..243
FT /note="Endonuclease/exonuclease/phosphatase"
FT /evidence="ECO:0000259|Pfam:PF03372"
FT ACT_SITE 107
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-1"
FT ACT_SITE 146
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-1"
FT ACT_SITE 243
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-1"
FT BINDING 7
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 35
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 146
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 148
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 242
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT BINDING 243
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-2"
FT SITE 148
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
FT SITE 217
FT /note="Important for catalytic activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
FT SITE 243
FT /note="Interaction with DNA substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR604808-3"
SQ SEQUENCE 251 AA; 28391 MW; 8032FBCBDF3DB64A CRC64;
MKLVSWNVNG VRAVLQKGLL DYIAASGADV ICLQETKCQP GDVQHVVWPA GYRAWWNAAQ
KKGYSGTAIF SRVEPVAVSC GLGLPDHDNE GRVLTAEFAD FYLVNVYVPN AQHELVRLPY
RRRWNADFLS YLRSLEKKKP VVVCGDMNVA HQEIDLARPK ENVGNAGFSN EEREDFSTML
RAGFVDTFRE FEKGPGHYSW WTYRAGARGR NIGWRIDYFL ASAALRPRLK RAWIEPTVMG
SDHCPVGLEL K
//
